Roller-skate



(No Model.)

G. H. THOMPSON.

ROLLER SKATE.

N0. 319,530. Patented June 9, 14885.

'IN'VENTOR.

ihvrrnn STATES Parent? Orrice GEORGE II. THOMPSON, OF FROSTBURG,MARYLAND, ASSIGNOR TO HENRY D. IIUFF AND CALEB BRINTON, OF CHICAGO,ILLINOIS.

ROLLER-SKATE.

SPECIFICATION forming part of Letters Patent No. 319,530, dated June 9,1885.

Application filed Juno 4, 1883. (N0 model.)

To aZZ whom it may concern:

Be it known that I, GEORGE H. THOMPSON, a citizen of the United States,residing at Frostburg, in the county of Allegany and State of Maryland,have invented a new and useful Improvement in Roller-Skates, of whichthe following is a specification.

This class of skates has heretofore been difficult to construct in sucha manner as to make them capable of performing perfectly the operationsrequired of them in the complex evolutions of skating without deprivingthem of the essential compactness and durability they should possess.

I overcome the defects usually found in the former modes of constructionby means of the construction and combination of movable and fixed parts,as hereinafter described and illustrated by the accompanying drawings,in which Figure 1 is a side view of a skate provided with myimprovements; Fig. 2, alongitudinal section, and Figs. 3 and 4 detachedviews.

To the foot-stock A, I attach two like sets of metallic brackets andhangers, one set to the heel and one to the toe of the stock. Each setconsists of a stationary and movable part. The stationary part iscomposed of the plate 13, having the pendent arms I) I), the post orbearing 0, and the socket d, and the movable part is composed of theinclined axis C, having the reduced end 0, stops at, a cylindrical head,6, containing the elastic tube f, and the inclined arm g, which, havingthe head h, serves as a bearing for the axle with rollers attached. Themovable part is connected at one end with the stationary part by meansof the socket d of plate 13 and the reduced end 0 of the axis C, and atthe other end by a pin, D, passing through the arms I) b and through theelastic tube f in the cylindricalheade and the elastic washers t i, oneof which is placed at each side of said head, or between it and theadjacent arm I). These washers form a yielding bearing for the lowerinner ends of the arms I), and in connection with the elastic tube forman elastic bearing for the movable parts in their several positions.

The stops (1 limit the oscillations of the axis C to the action requiredfor giving the rollers their necessary movements.

The post 0, with the groove initslower end (shown by dotted lines,Fig. 1) to fit the axis C, relieves the elastic head of the weight thatwould come upon it if said post was absent, and said post affords asolidguide for themovable parts, the oiiiee of the elastic tube being moreparticularly to serve for a spring to the axis C in its oscillationsthatis to say, the post prevents too great compression of the elastic tubebetween the pivot D and head 6, and the lower end, being concaved orgrooved, allows the axis C to oscillate freely.

The plate B is attached to the foot-stock with screws, the end with thesocket (I pointing toward the toe when attached in front and pointingtoward the heel when attached to the rear of thestock.

.VVhat I claim is 1. The combination, with the plate B, formed with asocket, d, at one end, pendent arms I) at its opposite end, and theintermediate grooved bearing-block, c, of the movable part C, formed atone end with a pin, 0, fitting within socket d, a head, a, at itsopposite end, and the pendent wheel carrying arm 9, the tubular'elasticcushion f, within the head 6, and the pin D, passing through the arms 0and the elastic cushion, substantially as set forth.

2. The combination, with the plate 13, formed with a socket, d, andpendent arms b at its opposite ends, and the intermediate groovedbearingblock, c, of the movablepart C, formed with a pin, 0, fittingwithin socket (Z, a cylindrical head, 0, at its opposite end, and thependent wheel-carrying arm 9, having a head, It, the tubular elasticcushion f, within the cylindrical head 6, the pin D, passing through thearms I), and elastic cushion f and the elastic washers'i on said pin Datopposite sides of head 0, substantially as setforth.

GEO. II. THOMPSON.

Witnesses:

H. C. IIUNTEMANN,

W. It. 13. ATKINSON.

